org.apache.solr.analytics.accumulator.facet

Class QueryFacetAccumulator

java.lang.Object

org.apache.lucene.search.SimpleCollector

org.apache.solr.analytics.accumulator.ValueAccumulator

org.apache.solr.analytics.accumulator.facet.QueryFacetAccumulator

All Implemented Interfaces:

Collector, LeafCollector

Direct Known Subclasses:

RangeFacetAccumulator

public class QueryFacetAccumulator
extends ValueAccumulator

An Accumulator that manages a certain query of a given query facet.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	facetName
protected String	facetValue
protected FacetValueAccumulator	parent

Constructor Summary

Constructors

Constructor and Description
QueryFacetAccumulator(FacetValueAccumulator parent, String facetName, String facetValue)

Method Summary

Methods

Modifier and Type	Method and Description
void	collect(int doc) Tell the FacetingAccumulator to collect the doc with the given queryFacet and query.
void	compute() Finalizes the statistics within each StatsCollector.
protected void	doSetNextReader(LeafReaderContext context) Update the readers of the queryFacet StatsCollectors in FacetingAccumulator
NamedList<?>	export()
boolean	needsScores()

Methods inherited from class org.apache.solr.analytics.accumulator.ValueAccumulator

postProcess

Methods inherited from class org.apache.lucene.search.SimpleCollector

getLeafCollector, setScorer

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

parent

protected final FacetValueAccumulator parent

facetName

protected final String facetName

facetValue

protected final String facetValue

Constructor Detail

QueryFacetAccumulator

public QueryFacetAccumulator(FacetValueAccumulator parent,
                     String facetName,
                     String facetValue)

Method Detail

collect

public void collect(int doc)
             throws IOException

Tell the FacetingAccumulator to collect the doc with the given queryFacet and query.

Specified by:

collect in interface LeafCollector

Specified by:

collect in class SimpleCollector

Throws:

IOException

doSetNextReader

protected void doSetNextReader(LeafReaderContext context)
                        throws IOException

Update the readers of the queryFacet StatsCollectors in FacetingAccumulator

Overrides:

doSetNextReader in class SimpleCollector

Throws:

IOException

compute

public void compute()

Description copied from class: ValueAccumulator

Finalizes the statistics within each StatsCollector. Must be called before export().

Specified by:

compute in class ValueAccumulator

export

public NamedList<?> export()

Specified by:

export in class ValueAccumulator

needsScores

public boolean needsScores()